4个16x16点阵显示程序 而且支持多种显示模式-4个16x16点阵显示

本程序主要用于控制点阵的显示，可用于本科及研究生课程设计的参考资料-This program is mainly used to control the display dot matrix can be used undergraduate and graduate curriculum design reference

嵌入式Linux开发板PXA270的LED点阵驱动程序与测试程序-PXA270 embedded Linux development board LED dot matrix driver and testing procedures